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-rw-r--r--dom/xbl/nsXBLEventHandler.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/dom/xbl/nsXBLEventHandler.h b/dom/xbl/nsXBLEventHandler.h
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+++ b/dom/xbl/nsXBLEventHandler.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsXBLEventHandler_h__
+#define nsXBLEventHandler_h__
+
+#include "mozilla/Attributes.h"
+#include "nsCOMPtr.h"
+#include "nsIDOMEventListener.h"
+#include "nsTArray.h"
+
+class nsIAtom;
+class nsIDOMKeyEvent;
+class nsXBLPrototypeHandler;
+
+namespace mozilla {
+namespace dom {
+struct IgnoreModifierState;
+} // namespace dom
+} // namespace mozilla
+
+class nsXBLEventHandler : public nsIDOMEventListener
+{
+public:
+ explicit nsXBLEventHandler(nsXBLPrototypeHandler* aHandler);
+
+ NS_DECL_ISUPPORTS
+
+ NS_DECL_NSIDOMEVENTLISTENER
+
+protected:
+ virtual ~nsXBLEventHandler();
+ nsXBLPrototypeHandler* mProtoHandler;
+
+private:
+ nsXBLEventHandler();
+ virtual bool EventMatched(nsIDOMEvent* aEvent)
+ {
+ return true;
+ }
+};
+
+class nsXBLMouseEventHandler : public nsXBLEventHandler
+{
+public:
+ explicit nsXBLMouseEventHandler(nsXBLPrototypeHandler* aHandler);
+ virtual ~nsXBLMouseEventHandler();
+
+private:
+ bool EventMatched(nsIDOMEvent* aEvent) override;
+};
+
+class nsXBLKeyEventHandler : public nsIDOMEventListener
+{
+ typedef mozilla::dom::IgnoreModifierState IgnoreModifierState;
+
+public:
+ nsXBLKeyEventHandler(nsIAtom* aEventType, uint8_t aPhase, uint8_t aType);
+
+ NS_DECL_ISUPPORTS
+
+ NS_DECL_NSIDOMEVENTLISTENER
+
+ void AddProtoHandler(nsXBLPrototypeHandler* aProtoHandler)
+ {
+ mProtoHandlers.AppendElement(aProtoHandler);
+ }
+
+ bool Matches(nsIAtom* aEventType, uint8_t aPhase, uint8_t aType) const
+ {
+ return (mEventType == aEventType && mPhase == aPhase && mType == aType);
+ }
+
+ void GetEventName(nsAString& aString) const
+ {
+ mEventType->ToString(aString);
+ }
+
+ uint8_t GetPhase() const
+ {
+ return mPhase;
+ }
+
+ uint8_t GetType() const
+ {
+ return mType;
+ }
+
+ void SetIsBoundToChrome(bool aIsBoundToChrome)
+ {
+ mIsBoundToChrome = aIsBoundToChrome;
+ }
+
+ void SetUsingContentXBLScope(bool aUsingContentXBLScope)
+ {
+ mUsingContentXBLScope = aUsingContentXBLScope;
+ }
+
+private:
+ nsXBLKeyEventHandler();
+ virtual ~nsXBLKeyEventHandler();
+
+ bool ExecuteMatchedHandlers(nsIDOMKeyEvent* aEvent, uint32_t aCharCode,
+ const IgnoreModifierState& aIgnoreModifierState);
+
+ nsTArray<nsXBLPrototypeHandler*> mProtoHandlers;
+ nsCOMPtr<nsIAtom> mEventType;
+ uint8_t mPhase;
+ uint8_t mType;
+ bool mIsBoundToChrome;
+ bool mUsingContentXBLScope;
+};
+
+already_AddRefed<nsXBLEventHandler>
+NS_NewXBLEventHandler(nsXBLPrototypeHandler* aHandler,
+ nsIAtom* aEventType);
+
+#endif